# get_token_balance_erc20

Get ERC20 token balance for an address

Agent View of the PolicyLayer registry record for `get_token_balance_erc20`. HTML page: https://policylayer.com/tools/chulanpro5-evm-mcp-server/get-token-balance-erc20

## Facts

- Tool: `get_token_balance_erc20`
- Server: EVM MCP Server (`chulanpro5/evm-mcp-server`) — https://policylayer.com/tools/chulanpro5-evm-mcp-server.md
- Homepage: https://github.com/chulanpro5/evm-mcp-server
- Risk category: Read (Low risk)
- Registry record: grade F, identity unverified
- Server rate-limited: no
- Parameters: 0
- Recommended policy verdict: Allowed

## Example call (MCP tools/call, JSON-RPC 2.0)

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_token_balance_erc20",
    "arguments": {}
  }
}
```

## Why get_token_balance_erc20 is rated Low

This tool retrieves balance information from a blockchain without creating, modifying, deleting, or executing any state-changing operations. It is a read-only query that returns data about an existing account's token holdings. The severity is low because misuse would only expose information already available on public blockchains, with no financial, operational, or destructive consequences.

From the tool's own definition: "Tool name is 'get_token_balance_erc20' and description states 'Get ERC20 token balance for an address' — a pure query operation with no side effects or state modifications."

## Use case

AI agents call get_token_balance_erc20 to retrieve information from EVM MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

## Recommended policy (PolicyLayer)

Verdict: **Allowed**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches EVM MCP Server:

```json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "get_token_balance_erc20": {}
  }
}
```

## Other tools on EVM MCP Server (35)

- `deploy_token` — Execute — https://policylayer.com/tools/chulanpro5-evm-mcp-server/deploy-token.md
- `enable_trading` — Execute — https://policylayer.com/tools/chulanpro5-evm-mcp-server/enable-trading.md
- `set_swap_and_liquify_enabled` — Execute — https://policylayer.com/tools/chulanpro5-evm-mcp-server/set-swap-and-liquify-enabled.md
- `write_contract` — Execute — https://policylayer.com/tools/chulanpro5-evm-mcp-server/write-contract.md
- `add_liquidity` — Financial — https://policylayer.com/tools/chulanpro5-evm-mcp-server/add-liquidity.md
- `buy_usdt_from_wallet` — Financial — https://policylayer.com/tools/chulanpro5-evm-mcp-server/buy-usdt-from-wallet.md
- `deploy_tax_token` — Financial — https://policylayer.com/tools/chulanpro5-evm-mcp-server/deploy-tax-token.md
- `lock_lp_token` — Financial — https://policylayer.com/tools/chulanpro5-evm-mcp-server/lock-lp-token.md
- `sell_usdt_from_wallet` — Financial — https://policylayer.com/tools/chulanpro5-evm-mcp-server/sell-usdt-from-wallet.md
- `transfer_erc1155` — Financial — https://policylayer.com/tools/chulanpro5-evm-mcp-server/transfer-erc1155.md
- `transfer_erc20` — Financial — https://policylayer.com/tools/chulanpro5-evm-mcp-server/transfer-erc20.md
- `transfer_eth` — Financial — https://policylayer.com/tools/chulanpro5-evm-mcp-server/transfer-eth.md
- `transfer_nft` — Financial — https://policylayer.com/tools/chulanpro5-evm-mcp-server/transfer-nft.md
- `transfer_token` — Financial — https://policylayer.com/tools/chulanpro5-evm-mcp-server/transfer-token.md
- `check_nft_ownership` — Read — https://policylayer.com/tools/chulanpro5-evm-mcp-server/check-nft-ownership.md
- `estimate_gas` — Read — https://policylayer.com/tools/chulanpro5-evm-mcp-server/estimate-gas.md
- `get_address_from_private_key` — Read — https://policylayer.com/tools/chulanpro5-evm-mcp-server/get-address-from-private-key.md
- `get_balance` — Read — https://policylayer.com/tools/chulanpro5-evm-mcp-server/get-balance.md
- `get_block_by_number` — Read — https://policylayer.com/tools/chulanpro5-evm-mcp-server/get-block-by-number.md
- `get_chain_info` — Read — https://policylayer.com/tools/chulanpro5-evm-mcp-server/get-chain-info.md
- `get_erc1155_balance` — Read — https://policylayer.com/tools/chulanpro5-evm-mcp-server/get-erc1155-balance.md
- `get_erc1155_token_uri` — Read — https://policylayer.com/tools/chulanpro5-evm-mcp-server/get-erc1155-token-uri.md
- `get_erc20_balance` — Read — https://policylayer.com/tools/chulanpro5-evm-mcp-server/get-erc20-balance.md
- `get_latest_block` — Read — https://policylayer.com/tools/chulanpro5-evm-mcp-server/get-latest-block.md
- `get_nft_balance` — Read — https://policylayer.com/tools/chulanpro5-evm-mcp-server/get-nft-balance.md
- `get_nft_info` — Read — https://policylayer.com/tools/chulanpro5-evm-mcp-server/get-nft-info.md
- `get_supported_networks` — Read — https://policylayer.com/tools/chulanpro5-evm-mcp-server/get-supported-networks.md
- `get_token_balance` — Read — https://policylayer.com/tools/chulanpro5-evm-mcp-server/get-token-balance.md
- `get_token_info` — Read — https://policylayer.com/tools/chulanpro5-evm-mcp-server/get-token-info.md
- `get_transaction` — Read — https://policylayer.com/tools/chulanpro5-evm-mcp-server/get-transaction.md
- …and 5 more: https://policylayer.com/tools/chulanpro5-evm-mcp-server.md

## For agents

This record is a snapshot. Live verdicts and the full registry:

- Check every server in your MCP config at once: `npx -y policylayer stack`
- Vet a server before you add it: install the mcp-precheck skill — `npx skills add https://policylayer.com` (skill text: https://policylayer.com/skill.md)
- Query the registry over MCP: endpoint `https://api.policylayer.com/mcp` — tools `check_mcp_server`, `check_mcp_stack`, `check_tool`, `search_registry`, `get_change_events`

---

Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=chulanpro5-evm-mcp-server · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/chulanpro5-evm-mcp-server